1. Department of Pharmacy, National Center for Child Health and Development, Tokyo, Japan.
2. Division of Infant and Toddler Mental Health, Department of Psychosocial Medicine, National Center for Child Health and Development, Tokyo, Japan.
3. Department of Neonatology, Center for Maternal–Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan.
4. Japan Drug Information Institute in Pregnancy, National Center for Child Health and Development, Tokyo, Japan.
5. Division of Obstetrics, and Center for Maternal–Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan.
6. Division of Maternal Medicine, Center for Maternal–Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan.